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【行业新闻】海航一航班发动机遭鸟击返航 航班遭鸟击到底多危险?

  • 分类:行业资讯
  • 作者:小编
  • 来源:
  • 发布时间:2025-01-18 15:17:11
  • 访问量:

【概要描述】  为了提高航空发动机安全性,所有发动机出厂前都必须进行鸟撞测试,即吞鸟试验,要确保发动机在一般鸟击时不会出现着火■■、过大载荷或失去停

【行业新闻】海航一航班发动机遭鸟击返航 航班遭鸟击到底多危险?

【概要描述】  为了提高航空发动机安全性,所有发动机出厂前都必须进行鸟撞测试,即吞鸟试验,要确保发动机在一般鸟击时不会出现着火■■、过大载荷或失去停

  • 分类:行业资讯
  • 作者:小编
  • 来源:
  • 发布时间:2025-01-18 15:17:11
  • 访问量:

  为了提高航空发动机安全性,所有发动机出厂前都必须进行鸟撞测试★◆★,即吞鸟试验,要确保发动机在一般鸟击时不会出现着火■■◆、过大载荷或失去停车能力等情况■★。这已成为航空发动机试验规范中的一条关键要求。

  根据国际航联列对航空灾难的分类,鸟击属于A类★■■,也就是最高级别◆◆★■◆,是有概率造成死亡、急性严重伤害或飞机完全损坏的事故。B类、C类、D类都不涉及人员伤亡。

  11月10日晚间,海南航空微博发布消息称◆★◆,2024年11月10日海南航空HU438(罗马—深圳)航班在起飞阶段右侧发动机遭遇鸟击,为确保安全◆◆■,机组迅速决策按程序返航。该航班已于当地时间11月10日11时6分(北京时间18时6分)安全降落在罗马菲乌米奇诺机场,所有旅客均已有序下机。

  既然鸟击无法100%避免■★,那就只能在飞机特别是发动机的研发设计上做文章。中国航空发动机研究院介绍,为降低鸟撞的危害,飞机发动机风扇叶片的形状、材料都在不断进步■★◆◆★◆,同时许多结构和连接位置都针对性地进行了增强设计,以防止产生二次损伤乃至更严重的后果。

  免责声明:本公众号所载内容为本公众号原创或网络转载◆◆◆★■,转载内容版权归原作者所有。如涉及作品内容、版权或其他问题■■,请跟我们联系!转载内容为作者个人观点,并不代表本公众号赞同其观点和对其真实性负责。本公众号拥有对此声明的最终解释

  除了直接撞击导致飞机机体受损外,鸟击事件中◆◆,很大一部分时候是小鸟被飞机发动机吸进去◆★■★■★,造成发动机损坏。比如鸟体撞击造成发动机风扇叶片断裂,导致断裂叶片进入发动机内部,碰撞引发火情、发动机停车等灾难性后果。同时■★★,缺失叶片的风扇在旋转时失去平衡,发动机也会承受远高于正常工作时的负荷。

  正是因为有这些安全保障措施的存在,一般的鸟击事件并不可怕■★◆,只要飞行员处置得当,飞机仍可以安全降落★★◆★◆◆。

  小鸟竟能撞坏钢铁庞然大物■◆■,这是因为在空中飞机飞行速度极快,即两者相对速度极高★■★■◆,因此会产生巨大冲击。比如一只7千克的鸟与时速960公里的飞机相撞★◆■■◆,冲击力可达144吨◆★,相当于飞机遭到了一枚炮弹的攻击。

  此外★◆■,在飞机设计上,即便一台航空发动机失效了,另外一台航空发动机也能保证飞机安全着陆。

  对此业内专家介绍,鸟击是航空领域的世界性难题,主要发生在飞机起飞和降落阶段。虽然机场有物理驱鸟◆◆、生态防鸟等各种驱鸟设备和手段■★★◆,但偶尔还是会有落单飞鸟造成威胁★★◆■■。据统计,全球每年大约会发生1万多起鸟撞事件。

  当然■■◆,并非所有的鸟击事件都会造成严重后果,在每年的1万多起鸟撞事件中,约有12%造成飞机或航空发动机损坏◆◆★◆◆,其中严重损坏的约占3%。只有在最极端的情况下★■◆★■,才会造成飞机坠毁★◆◆★,据统计,自1988年以来,鸟撞事故共造成超过200人死亡。

  将 MINI V8 发动机放入钻头中 #这么炸裂的玩具谁研究的呢 #模型玩具

  根据航旅纵横的数据,当天HU438航班在空中盘旋了很多圈★★■★,最后返航◆★★★。这主要是因为飞机落地时对重量有要求◆◆■■■■,由于是起飞阶段遭鸟击,飞机航油几乎没有消耗,重量较重,因此要先进行空中放油处理。

  特别声明■★■:以上内容(如有图片或视频亦包括在内)为自媒体平台“网易号”用户上传并发布■★★,本平台仅提供信息存储服务■◆。

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